{"id":11297,"date":"2022-12-16T16:51:57","date_gmt":"2022-12-16T16:51:57","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=11297"},"modified":"2022-12-16T16:51:57","modified_gmt":"2022-12-16T16:51:57","slug":"methane-hydrates-potential-climate-change-threat","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/science\/climate-science\/methane-hydrates-potential-climate-change-threat\/","title":{"rendered":"Metanhydr\u00e1ty: Potenci\u00e1ln\u00ed hrozba pro zm\u011bnu klimatu"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Metanhydr\u00e1ty: Potenci\u00e1ln\u00ed hrozba pro zm\u011bnu klimatu<\/h2>\n\n<h2 class=\"wp-block-heading\">Co jsou metanhydr\u00e1ty?<\/h2>\n\n<p>Metanhydr\u00e1ty jsou zmrzl\u00e9 usazeniny metanu zachycen\u00e9ho v kleci molekul vody. Nach\u00e1zej\u00ed se hojn\u011b pod\u00e9l pob\u0159e\u017e\u00ed sv\u011bta, v\u010detn\u011b pob\u0159e\u017e\u00ed v\u00fdchodn\u00edch Spojen\u00fdch st\u00e1t\u016f.<\/p>\n\n<h2 class=\"wp-block-heading\">T\u00e1n\u00ed metanhydr\u00e1t\u016f<\/h2>\n\n<p>Ned\u00e1vn\u00e9 studie uk\u00e1zaly, \u017ee tyto metanhydr\u00e1ty taj\u00ed v d\u016fsledku stoupaj\u00edc\u00edch teplot oce\u00e1n\u016f. Tento proces t\u00e1n\u00ed by mohl potenci\u00e1ln\u011b uvolnit do atmosf\u00e9ry velk\u00e9 mno\u017estv\u00ed metanu, co\u017e je siln\u00fd sklen\u00edkov\u00fd plyn.<\/p>\n\n<h2 class=\"wp-block-heading\">Dopady uvol\u0148ov\u00e1n\u00ed metanu<\/h2>\n\n<p>Metan je siln\u011bj\u0161\u00ed sklen\u00edkov\u00fd plyn ne\u017e oxid uhli\u010dit\u00fd, co\u017e znamen\u00e1, \u017ee i mal\u00e9 uvoln\u011bn\u00ed by mohlo m\u00edt zna\u010dn\u00e9 dopady na glob\u00e1ln\u00ed oteplov\u00e1n\u00ed. Pokud dojde k rozs\u00e1hl\u00e9mu uvol\u0148ov\u00e1n\u00ed metanu, mohlo by to v\u00e9st k za\u010darovan\u00e9mu kruhu oteplov\u00e1n\u00ed, dal\u0161\u00edho t\u00e1n\u00ed hydr\u00e1t\u016f a je\u0161t\u011b v\u011bt\u0161\u00edho oteplov\u00e1n\u00ed.<\/p>\n\n<h2 class=\"wp-block-heading\">Stabilita metanhydr\u00e1t\u016f<\/h2>\n\n<p>P\u0159esto\u017ee je t\u00e1n\u00ed metanhydr\u00e1t\u016f d\u016fvodem k obav\u00e1m, je d\u016fle\u017eit\u00e9 si uv\u011bdomit, \u017ee v\u011bt\u0161ina sv\u011btov\u00fdch lo\u017eisek plynn\u00fdch hydr\u00e1t\u016f by m\u011bla z\u016fstat stabiln\u00ed po dobu n\u011bkolika p\u0159\u00ed\u0161t\u00edch tis\u00edc\u016f let. N\u011bkter\u00e1 lo\u017eiska, zejm\u00e9na ta, kter\u00e1 se nach\u00e1zej\u00ed v oblastech s rychle se otepluj\u00edc\u00edmi teplotami oce\u00e1n\u016f, se v\u0161ak mohou st\u00e1t nestabiln\u00ed a uvol\u0148ovat metan.<\/p>\n\n<h2 class=\"wp-block-heading\">Cesty uvol\u0148ov\u00e1n\u00ed metanu<\/h2>\n\n<p>Aby metan dos\u00e1hl atmosf\u00e9ry a p\u0159isp\u011bl ke glob\u00e1ln\u00edmu oteplov\u00e1n\u00ed, mus\u00ed probublat vodn\u00edm sloupcem. Av\u0161ak b\u011bhem tohoto procesu se zna\u010dn\u00e9 mno\u017estv\u00ed metanu rozpust\u00ed ve studen\u00e9 oce\u00e1nsk\u00e9 vod\u011b, co\u017e sni\u017euje mno\u017estv\u00ed, kter\u00e9 se skute\u010dn\u011b dostane na povrch.<\/p>\n\n<h2 class=\"wp-block-heading\">Nejistoty a monitorov\u00e1n\u00ed<\/h2>\n\n<p>V\u011bdci si st\u00e1le nejsou jisti p\u0159esn\u00fdm mno\u017estv\u00edm metanu, kter\u00e9 by mohlo b\u00fdt uvoln\u011bno z taj\u00edc\u00edch hydr\u00e1t\u016f, a jeho potenci\u00e1ln\u00edmi dopady na zm\u011bnu klimatu. Pr\u016fb\u011b\u017en\u00fd v\u00fdzkum a monitorov\u00e1n\u00ed jsou nezbytn\u00e9 pro lep\u0161\u00ed pochopen\u00ed t\u011bchto proces\u016f a v\u00fdvoj strategi\u00ed zm\u00edrn\u011bn\u00ed.<\/p>\n\n<h2 class=\"wp-block-heading\">Historick\u00e1 analogie<\/h2>\n\n<p>P\u0159ed 56 miliony let se p\u0159edpokl\u00e1d\u00e1, \u017ee n\u00e1hl\u00e9 uvoln\u011bn\u00ed metanu z hlubokomo\u0159sk\u00fdch lo\u017eisek p\u0159isp\u011blo k jednomu z nejv\u011bt\u0161\u00edch masov\u00fdch vym\u00edr\u00e1n\u00ed na planet\u011b. Tato ud\u00e1lost slou\u017e\u00ed jako p\u0159ipom\u00ednka potenci\u00e1ln\u00edch d\u016fsledk\u016f rozs\u00e1hl\u00e9ho uvol\u0148ov\u00e1n\u00ed metanu.<\/p>\n\n<h2 class=\"wp-block-heading\">V\u00fdznam zm\u00edrn\u011bn\u00ed<\/h2>\n\n<p>Prevence nebo zm\u00edrn\u011bn\u00ed uvol\u0148ov\u00e1n\u00ed metanu z taj\u00edc\u00edch hydr\u00e1t\u016f je z\u00e1sadn\u00ed pro zm\u00edrn\u011bn\u00ed zm\u011bny klimatu. Strategie, jako je sni\u017eov\u00e1n\u00ed emis\u00ed sklen\u00edkov\u00fdch plyn\u016f, monitorov\u00e1n\u00ed stability hydr\u00e1t\u016f a v\u00fdvoj technologi\u00ed pro zachycov\u00e1n\u00ed a ukl\u00e1d\u00e1n\u00ed metanu, by mohly pomoci minimalizovat potenci\u00e1ln\u00ed dopady t\u00e9to vzr\u016fstaj\u00edc\u00ed hrozby.<\/p>\n\n<h2 class=\"wp-block-heading\">Dal\u0161\u00ed \u00favahy<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>T\u00e1n\u00ed gr\u00f3nsk\u00e9ho ledu a ztr\u00e1ta arktick\u00e9ho mo\u0159sk\u00e9ho ledu tak\u00e9 p\u0159isp\u00edvaj\u00ed ke glob\u00e1ln\u00edmu oteplov\u00e1n\u00ed a mohly by potenci\u00e1ln\u011b destabilizovat metanhydr\u00e1ty.<\/li>\n<li>Golfsk\u00fd proud hraje roli v regulaci teplot oce\u00e1n\u016f a stability hydr\u00e1t\u016f a dlouhodob\u00e9 zm\u011bny v um\u00edst\u011bn\u00ed nebo s\u00edle Golfsk\u00e9ho proudu by mohly ovlivnit uvol\u0148ov\u00e1n\u00ed metanu.<\/li>\n<li>Mezin\u00e1rodn\u00ed spolupr\u00e1ce je nezbytn\u00e1 pro \u0159e\u0161en\u00ed v\u00fdzev, kter\u00e9 p\u0159edstavuj\u00ed taj\u00edc\u00ed metanhydr\u00e1ty, a pro zm\u00edrn\u011bn\u00ed jejich potenci\u00e1ln\u00edch dopad\u016f na zm\u011bnu klimatu.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Metanhydr\u00e1ty: Potenci\u00e1ln\u00ed hrozba pro zm\u011bnu klimatu Co jsou metanhydr\u00e1ty? Metanhydr\u00e1ty jsou zmrzl\u00e9 usazeniny metanu zachycen\u00e9ho v kleci molekul vody. Nach\u00e1zej\u00ed se hojn\u011b pod\u00e9l pob\u0159e\u017e\u00ed sv\u011bta, v\u010detn\u011b pob\u0159e\u017e\u00ed v\u00fdchodn\u00edch Spojen\u00fdch st\u00e1t\u016f.&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[284],"tags":[569,15295,15296,291,34],"class_list":["post-11297","post","type-post","status-publish","format-standard","hentry","category-climate-science","tag-global-warming","tag-methane-hydrates","tag-ocean-science","tag-greenhouse-gases","tag-climate-change"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/11297","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=11297"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/11297\/revisions"}],"predecessor-version":[{"id":11298,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/11297\/revisions\/11298"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=11297"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=11297"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=11297"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}